13442145 has 8 divisors (see below), whose sum is σ = 21507456. Its totient is φ = 7169136.

The previous prime is 13442131. The next prime is 13442153. The reversal of 13442145 is 54124431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13442145 - 2⁴ = 13442129 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448057 + ... + 448086.

It is an arithmetic number, because the mean of its divisors is an integer number (2688432).

Almost surely, 2^13442145 is an apocalyptic number.

13442145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13442145 is a deficient number, since it is larger than the sum of its proper divisors (8065311).

13442145 is an equidigital number, since it uses as much as digits as its factorization.

13442145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896151.

The product of its digits is 1920, while the sum is 24.

The square root of 13442145 is about 3666.3530926522. The cubic root of 13442145 is about 237.7695259621.

Adding to 13442145 its reverse (54124431), we get a palindrome (67566576).

The spelling of 13442145 in words is "thirteen million, four hundred forty-two thousand, one hundred forty-five".